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LFE Input
The Low Frequency Effects (LFE) input allows the S2/12t to be used for augmentation of the surround speakers as well as for the LFE of your home theater system. The LFE input blends the low frequency effects signal from the home theatre processor into the normal input signal on the subwoofer. We call this our LFE Blend™ technology.
The LFE input bypasses the internal crossover, and hence uses the home theatre processor’s crossover. This means that the S2/12t can be used to augment the surround speakers as well as deliver the LFE channel without resorting to digital bass management on the processor.
On the home theatre processor, set the front speakers to “LARGE” and sub-woofer to “YES”. Then, connect the sub-woofer (LFE) line-level output from the processor to either the single-ended RCA or balanced XLR “LFE IN” connector on the S2/12t. Do not use both inputs at the same time.
We recommend that single-ended interconnects be no longer than 10 feet (3m). Hence, we have provided balanced LFE inputs. If your processor is further than 10 feet from the S2/12t, please use a high- quality balanced cable.
If your processor has only single-ended outputs and is further than 10 feet from the S2/12t, we recommend that you consider using an active (or passive) signal balancing device to convert the unbalanced output signal from your processor to a truly balanced signal. A truly balanced signal will give you the benefit of maximum noise rejection and maximum signal fidelity over long cable runs.
The unbalanced interconnect which connects your preamp to the balancing device should be shorter than 4.5 feet (1.5 meters). You can then use a balanced interconnect to connect the output of the signal balancing device to the input of the S2/12t.
An added benefit of the S2/12t is that the servo-amplifier incorporates an active signal-balancing device. This means that if your processor has only single-ended outputs, but you can place an S2/12t close enough to use a single-ended interconnect, that balanced output of that subwoofer can be used to daisy chain to the rest of the system.
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